Operating Systems General Concepts Interview Questions
Questions Answers Views Company eMail

What is Difference between thread and process?

Samsung, HCL, Goldman Sachs, Encora, Microsoft, HP, AirTies, Azingo, Bloomberg, MES,

28 243985

How to communicate between difference process?

HP, IBM,

2 6331

What is the best way of communication in multi process environment? ex: getting log from different applications from multi servers?

HP,

1 2404




What is scheduling and How it effects the processor efficiency?

HP,

2 2535

What is virtual memory, if OS didt have that concept What are the problems can arise?

HP,

6 11896

What is the best suited algorithm to avoid internal fragmentation?

HP,

2 6267

How to escape from external fragmentation?

HP,

2 2918

What is difference in managing processes in windows, unix, RTOS?

HP,

1678




What is the difference between mutex and semaphore?

Microsoft, HP,

14 49644

What are counting semaphores?

IBM, HP,

4 10323

which is best among semaphores and mutexes?

HP,

2 4826

which is best among pipes, queues, shared memory and why?

HP,

2 4146

What are named pipes?

HP,

3 3591

What is the signal?

HP,

1 2711

What is the highest priority software interrupt?

HP,

1 3312


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Un-Answered Questions { Operating Systems General Concepts }

Why is it that a single, all – encompassing metric cannot be developed for programme complexity or programme quality?

887


what is the command to copy windows files (i386) without formatting OS?

1071


what is the relationship between page size and page table?

1322


what is difference between xp & 2003?

832


What is a mission critical system?

1199






Which one you will use to implement critical section?

1072


While running DOS on a PC, which command would be used to duplicate the entire diskette?

2846


Stable storage cannot be implemented. (A) Explain why it cannot be. (B) Explain how database system deal with database applications

1122


Can anybody send me Excel tips and improtant formul...... please.

1000


How to take backup using active directory recyclebin concept

1193


Hello this is gaurav garg I have completed BCA. plz TEll me how will ask question in interview.

1087


Explain how a TP Monitor manages memory and processor resources more effectively than a typical operating system.

844


What is the multi-treade and models (explain each models)?

1981


What is the important aspect of a real-time system?

2191


WHATE IS DIFFERENT BETWEEN ANLOG , PLC & DCS OR EXPLAIN ANALOG / PLC / DCS SYSTEME

1710